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memory: introduce memory_region_set_address()

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Allow changing the address of a memory region while it is
in the memory hierarchy.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-09-14 12:10:12 +03:00
parent 6bba19ba4e
commit 2282e1af40
2 changed files with 32 additions and 0 deletions
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11
memory.h
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@ -518,6 +518,17 @@ void memory_region_del_subregion(MemoryRegion *mr,
*/
void memory_region_set_enabled(MemoryRegion *mr, bool enabled);
/*
* memory_region_set_address: dynamically update the address of a region
*
* Dynamically updates the address of a region, relative to its parent.
* May be used on regions are currently part of a memory hierarchy.
*
* @mr: the region to be updated
* @addr: new address, relative to parent region
*/
void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr);
/* Start a transaction; changes will be accumulated and made visible only
* when the transaction ends.
*/